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Design a PCB for a Vending Machine Matrix Motor Driver

We are looking to drive a matrix of 24V DC Motors by i2c. (7 by 10 Matrix)

This is to replace an old vending machine motherboard and to have it interface with an Arduino controller by i2c.

We can provide detailed pictures of the motherboard made in 1984; It uses the following parts to drive the motors:

MJE700 (60V / 4A)

ULN2064B (50V / 1.5A)

The motor detects a full rotation by shorting the motor briefly; I assume the motherboard detects the current drop and stops powering the motor until the next vend command. We would like to control vends by i2c from another micro controller.

The matrix of motors is fully mapped out.

The finished PCB should take mains 120v AC in and power the 24 volt motors using fault tolerant parts (ie; handling high current motor draw and feed back, exceeds max values on parts) unidirectionally. and controlled by an i2c input.

Evner: PCB Layout, Elektronik, Microcontroller, Arduino, Elektrisk Ingeniørarbejde

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Om arbejdsgiveren:
( 20 bedømmelser ) Hammond, United States

Projekt ID: #22784411

Tildelt til:

malindu2002

Hello, I'am experienced in, Digital / Analog Electronics ESP32 , ESP8266 , Arduino, PIC , AVR , ARM , STM32 , 8051 Programming Single board computers ( Raspbery pi,Orange pi etc) C , C++ , Java , Python , C# PCB desig Flere

$70 USD in 6 dage
(2 bedømmelser)
1.9

5 freelancere byder i gennemsnit $227 på dette job

smartman7102

Hi. I read your post carefully, so I placed bid. I am a senior electronic engineer. I have a lot of experience in PCB, firmware, DC motor, microcontroller and peripheral fields. If you hire me, I will give you good pr Flere

$150 USD in 5 dage
(15 bedømmelser)
5.3
Intel1994

Hello,sir.I have much experience in Electronics and PCB design. I have much experience in device manufacturing such as PIC, Arduino, STM-series(ARM), FPGA,CPLD,etc. I love Math & Physics. Using FPGA based on Verilog/VH Flere

$500 USD in 7 dage
(5 bedømmelser)
3.4
jesus741

Hi, i am Control & Automation engieneer with high level of expereience and knowledge in some field like, electronic, microcontroller, industrial controller, industrial communications, instrumentation, 3d model design, Flere

$250 USD in 15 dage
(1 bedømmelse)
0.9
emirskopljo

Hi, So just give me opportunity to show you what I have done until now and that would be enough recommendation for me, because I'm the new one here and it's really hard to find a job as a beginner on this. Also I'm wo Flere

$166 USD in 4 dage
(0 bedømmelser)
0.0